Home / 2,475,633.60-3,713,420.19-678,515.61

Finding the Fourth Proportional to 2,475,633.60, 3,713,420.19 and 678,515.61

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Solution

The fourth proportional to 2,475,633.60, 3,713,420.19 and 678,515.61 is: 1,017,765.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475,633.60 : 3,713,420.19 = 678,515.61 : x
  2. Step 2: Convert to fraction form
    2,475,633.60/3,713,420.19 = 678,515.61/x
  3. Step 3: Cross multiply
    2,475,633.60x = 3,713,420.19 × 678,515.61
  4. Step 4: Simplify right side
    2,475,633.60x = 2,519,613,565,404.17
  5. Step 5: Solve for x
    x = 2,519,613,565,404.17/2,475,633.60
  6. Step 6: Final answer
    x = 1,017,765.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.